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| Number | Title | Issue Date |
| 7281306 | Machine tool A machine tool includes a tool spindle head for supporting a first side of a hob via an arbor, a turret, and a tool supporting unit including a movable section and a fixed section. The fixed section is fixedly mounted to the turret and slidably supporting the movabl... | 10/16/2007 |
| 7217230 | Apparatus for detecting position of drawbar in automatic tool change device Disclosed is an apparatus for detecting a position of a drawbar unit installed in a spindle unit. The apparatus is a part of an automatic tool exchange device for exchanging tools in the spindle unit of a machine tool. The apparatus transmits a signal to a main cont... | 05/15/2007 |
| 7153252 | Storage arrangement for machine tools A storage arrangement (1) for machine tools is proposed, comprising at least two storage shelves (12) arranged vertically one above the other and in each case having a multiplicity of tool or workpiece retainers (14), the tool or workpiece retai... | 12/26/2006 |
| 7137939 | Machine tool and boring bar magazine A machine tool is provided with a base, a tool rest and a boring bar magazine. The tool rest is mounted on the base and retains a boring bar. The tool rest is moved in a first direction in parallel with an axis of the main spindle and in a second direction perpendic... | 11/21/2006 |
| 7137940 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction, movement of the turn table in a Y-axis direction, and movement of a spindle in a Z-axis direction, so t... | 11/21/2006 |
| 7100271 | Automotive vehicle framing system A vehicle framing system for framing an automotive vehicle body from a plurality of separate body components wherein the body components each include a reference surface. The system includes an assembly station having spaced-apart frame members positioned so that, w... | 09/05/2006 |
| 7063654 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction and movement of a spindle on a Y-Z plane, so that a width of a main unit in a X-axis direction can be ma... | 06/20/2006 |
| 7048679 | Tool-changing system The invention discloses a tool-changing concept in which tools are accommodated in a rack and, by means of a storage and retrieval unit located behind the rack, are removed and fed through the rack to a tool changer, by means of which it is possible to remove a tool... | 05/23/2006 |
| 6918326 | Vertical lathe There is provided a vertical lathe which, when machining gradually varying lens grooves in a mold for molding of a Fresnel lens, can change the angle of a cutting tool without positional displacement of the cutting tip, enabling high accuracy machining of the gradua... | 07/19/2005 |
| 6569070 | System for changing the tooling carried by a robot A system for changing a tool head (24) carried by a robot (20) includes a locking mechanism (23) having a keyhole-shaped slot (37) therein, and a lock key assembly (25) having a key (65). Depression of a button (52) rotates a cam arm (57) to extend the ke... | 05/27/2003 |
| 5821407 | Automatic viscosity measuring apparatus with rotor automatically detachable An off-line automatic viscosity measuring apparatus, which can execute viscosity measurement of a plurality of specimens while automatically replacing rotors, is provided. The off-line automatic viscosity measuring apparatus according to the invention has... | 10/13/1998 |
| 5807221 | Suction nozzle automatic changing apparatus An improved suction nozzle automatic changing apparatus for a surface mounting apparatus which is capable of simplifying the construction of the system and enhancing the reliability thereof. The apparatus includes a first pneumatic cylinder having an uppe... | 09/15/1998 |
| 5310397 | Computerized numerical control automatic complex lathe A computerized numerical control automatic complex lathe has a main spindle for gripping and rotating a work to be machined. A first machining tool performs a main machining of the work. A turret tool rest has an outer peripheral surface for holding a set... | 05/10/1994 |
| 5088182 | Turret changer A machine tool such as a lathe having an automatically changeable tool turret and a turret changer, carried on the bed of the machine, that dismounts a turret from a spindle of a turret index unit and mounts a replacement turret thereon. Transfer of a tur... | 02/18/1992 |
| 4797989 | Combination machine tool apparatus and pallet changing system Combination machine tool apparatus and pallet changing system includes a single changer for changing both work pieces at a work piece machining station on the machine tool and tools at a tool storage station on the machine tool. The work piece machining s... | 01/17/1989 |
| 4780951 | Apparatus for changing tools in grinding machines and the like A surface grinding machine wherein the spindle for grinding wheels is mounted on a slide which is reciprocable to and from a tool changing station. A transfer unit at the changing station has a head which is indexible on a base and has two aligned or cros... | 11/01/1988 |
| 4745673 | Spindle head unit of a machining center A spindle head unit having a bell crank lever (24) mounted pivotally on a spindle head (10) of a machining center to depress a drawbar (18) inserted through a spindle (14) mounted on the spindle head (10). One of arms of the bell crank lever (24) is locat... | 05/24/1988 |
| 4742609 | Automatic metal machining center system A machining center, particularly adapted for automated turning of workpieces, includes a headstock with one or more rotatably mounted spindles located in spaced generally horizontal alignment with drive means connected to rotate the spindles independently... | 05/10/1988 |
| 4706371 | Machine tool A machine tool having a table movable relative to a head for machining a workpiece mounted on the head by a tool mounted on the table. The table also supports a magazine for blank workpieces, and the table is movable between a first position in which the ... | 11/17/1987 |
| 4620363 | Composite machining lathe A composite machining lathe having a tool holder base movable in the direction of the axis of the spindle and a tool magazine. The tool magazine has a continuous elongated flexible tool carrier adapted to run along a path having a curved section. A plural... | 11/04/1986 |
| 4521950 | Automatic tool change machine tool An automatic tool change machine tool having a vertical column on which a tool stock receiving therein a vertically movable tool bar is mounted. The tool bar is provided with a toolholder receiving means at the lowermost end for the attachment of a toolho... | 06/11/1985 |
